Malicious PDF — malware analysis report

Static analysis result for SHA-256 48e5cb99c8b09227…

MALICIOUS

PDF

51.5 KB Created: 2020-08-30 11:59:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6bc97e7c354b1d9d9f681b677f0d6954 SHA-1: 169d030e986a1eb749d9ce498c744b70ea39715a SHA-256: 48e5cb99c8b09227532962d9d3e841733f7c710a2bddf9647f8f6bf64d57ee9d
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.com, which is disguised with a keyword related to a popular video game. The document also contains a large number of external links, suggesting a link farm or SEO poisoning tactic. The presence of a phone lure heuristic further supports a scam or phishing intent. The document body, though heavily obfuscated, contains the malicious URL and other links.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/wix?keyword=call+of+duty+world+at+war+zombies+mo
    • https://static.usrfiles.com/ugd/5cf23b_33be10b414c548f8be31123eb1c782a1.pdf
    • https://static.usrfiles.com/ugd/b8c837_d5c930cd192341068dc5cb433cd6616b.pdf
    • https://static.usrfiles.com/ugd/c7a620_46714e234f1d4965a13301e6b741300e.pdf
    • https://cdn.shopify.com/s/files/1/0433/1841/1417/files/fivojuwipavanedumunemixoz.pdf
    • https://cdn.shopify.com/s/files/1/0437/5206/3137/files/case_590_backhoe_operators_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/5453/7624/files/54687110845.pdf
    • https://cdn.shopify.com/s/files/1/0431/6823/5675/files/63960367724.pdf
    • https://cdn.shopify.com/s/files/1/0434/7602/5510/files/coplanar_waveguide_with_ground.pdf
    • https://static.usrfiles.com/ugd/47b1e8_1ea8a9084a0c494885208af5d02079e1.pdf
    • https://static.usrfiles.com/ugd/3f80ec_1e4eeb30645d4e79bcb9c4c5b54fdfbe.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008c76.bin
3f57ae7dad8b9ae89e285a0c3d5c2161ad99674605eb321e19b07b95bc2602fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C76 5344 bytes
font_01_sfnt_off00009ea8.bin
42a7ae4c5a082ce4a203bde91eed974b2cb9a6f5064d4933fbaece7f8977253a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9EA8 10024 bytes

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